uspace/drv/char/ski-con/main.c

   1 /*
   2  * Copyright (c) 2017 Jiri Svoboda
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup genarch
  30  * @{
  31  */
  32 /** @file Ski console driver
  33  */
  34
  35 #include <ddf/driver.h>
  36 #include <ddf/log.h>
  37 #include <errno.h>
  38 #include <stdio.h>
  39
  40 #include "ski-con.h"
  41
  42 #define NAME  "ski-con"
  43
  44 static errno_t ski_con_dev_add(ddf_dev_t *dev);
  45 static errno_t ski_con_dev_remove(ddf_dev_t *dev);
  46 static errno_t ski_con_dev_gone(ddf_dev_t *dev);
  47 static errno_t ski_con_fun_online(ddf_fun_t *fun);
  48 static errno_t ski_con_fun_offline(ddf_fun_t *fun);
  49
  50 static driver_ops_t driver_ops = {
  51         .dev_add = ski_con_dev_add,
  52         .dev_remove = ski_con_dev_remove,
  53         .dev_gone = ski_con_dev_gone,
  54         .fun_online = ski_con_fun_online,
  55         .fun_offline = ski_con_fun_offline
  56 };
  57
  58 static driver_t ski_con_driver = {
  59         .name = NAME,
  60         .driver_ops = &driver_ops
  61 };
  62
  63 static errno_t ski_con_dev_add(ddf_dev_t *dev)
  64 {
  65         ski_con_t *ski_con;
  66
  67         ddf_msg(LVL_DEBUG, "ski_con_dev_add(%p)", dev);
  68         ski_con = ddf_dev_data_alloc(dev, sizeof(ski_con_t));
  69         if (ski_con == NULL) {
  70                 ddf_msg(LVL_ERROR, "Failed allocating soft state.");
  71                 return ENOMEM;
  72         }
  73
  74         ski_con->dev = dev;
  75
  76         return ski_con_add(ski_con);
  77 }
  78
  79 static errno_t ski_con_dev_remove(ddf_dev_t *dev)
  80 {
  81         ski_con_t *ski_con = (ski_con_t *)ddf_dev_data_get(dev);
  82
  83         ddf_msg(LVL_DEBUG, "ski_con_dev_remove(%p)", dev);
  84
  85         return ski_con_remove(ski_con);
  86 }
  87
  88 static errno_t ski_con_dev_gone(ddf_dev_t *dev)
  89 {
  90         ski_con_t *ski_con = (ski_con_t *)ddf_dev_data_get(dev);
  91
  92         ddf_msg(LVL_DEBUG, "ski_con_dev_gone(%p)", dev);
  93
  94         return ski_con_gone(ski_con);
  95 }
  96
  97 static errno_t ski_con_fun_online(ddf_fun_t *fun)
  98 {
  99         ddf_msg(LVL_DEBUG, "ski_con_fun_online()");
 100         return ddf_fun_online(fun);
 101 }
 102
 103 static errno_t ski_con_fun_offline(ddf_fun_t *fun)
 104 {
 105         ddf_msg(LVL_DEBUG, "ski_con_fun_offline()");
 106         return ddf_fun_offline(fun);
 107 }
 108
 109 int main(int argc, char *argv[])
 110 {
 111         printf(NAME ": Ski console driver\n");
 112         ddf_log_init(NAME);
 113         return ddf_driver_main(&ski_con_driver);
 114 }
 115
 116 /** @}
 117  */